Vermont · Northeast
Tick risk in Grand Isle County, Vermont
Grand Isle County covers 5 towns. Its CDC Lyme rate of 255 cases per 100,000 people a year ranks in the top 3% of U.S. counties for reported Lyme disease. CDC surveillance lists Deer tick as established here. Pick your town below for today's score, a 7-day outlook, and what's driving it.
Highest and lowest tick risk in Grand Isle County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Grand Isle County runs from Isle La Motte (high) at the high end to Alburgh (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 47% to 59%, and more forest and woodland edge means more places ticks can quest for a host.
- Isle La MotteHigh risk
- North HeroModerate risk
- South HeroModerate risk
- Grand IsleModerate risk
- AlburghModerate risk
Tick species in Grand Isle County
CDC county surveillance (established or reported)
- Deer tickEstablished
- American dog tickNot established
- Lone star tickNot established
- Gulf Coast tickNot established
Established in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for Grand Isle County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
Pathogens detected in ticks tested from Grand Isle County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.
Tick control in Grand Isle County, VT
Professional tick control across Grand Isle County usually means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses, and it matters most in Grand Isle County's more wooded towns.
How much does tick control cost in Grand Isle County?
Most Grand Isle County homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.
From a vetted local tick exterminator serving Grand Isle County. No cost, no obligation.
Common questions about ticks in Grand Isle County
Which towns in Grand Isle County have the highest tick risk?
At the summer peak, Isle La Motte carries the highest modeled tick risk in Grand Isle County, followed by North Hero, South Hero, Grand Isle, Alburgh. Risk tracks how wooded a town is: forest cover across Grand Isle County ranges from 47% to 59%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Alburgh sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Grand Isle County?
CDC surveillance records one established tick species in Grand Isle County: Deer tick. The blacklegged (deer) tick is the main carrier of Lyme disease in the Northeast. "Not established" for a species means there is no CDC surveillance record for the county, not that the tick is absent.
Is Lyme disease common in Grand Isle County?
Grand Isle County reports about 255 Lyme cases per 100,000 people a year (U.S. CDC), in the top 3% of U.S. counties for reported Lyme disease (the 6th-highest of Vermont's 14 counties). Lyme is the dominant blacklegged-tick disease, so TickZone uses this county rate as the disease baseline behind every town's score.
All towns in Grand Isle County
Tick risk is local. Pick the town nearest you.